//Create the movie for WRITE only
GF_ISOFile *gf_isom_create_movie(const char *fileName, u32 OpenMode, const char *tmp_dir)
{
GF_Err e;
GF_ISOFile *mov = gf_isom_new_movie();
if (!mov) return NULL;
mov->openMode = OpenMode;
//then set up our movie
//in WRITE, the input dataMap is ALWAYS NULL
mov->movieFileMap = NULL;
//but we have the edit one
if (OpenMode == GF_ISOM_OPEN_WRITE) {
//THIS IS NOT A TEMP FILE, WRITE mode is used for "live capture"
//this file will be the final file...
mov->fileName = gf_strdup(fileName);
e = gf_isom_datamap_new(fileName, NULL, GF_ISOM_DATA_MAP_WRITE, & mov->editFileMap);
if (e) goto err_exit;
/*brand is set to ISOM by default - it may be touched until sample data is added to track*/
gf_isom_set_brand_info( (GF_ISOFile *) mov, GF_ISOM_BRAND_ISOM, 1);
} else {
//we are in EDIT mode but we are creating the file -> temp file
mov->finalName = (char*)gf_malloc(strlen(fileName) + 1);
strcpy(mov->finalName, fileName);
e = gf_isom_datamap_new("mp4_tmp_edit", tmp_dir, GF_ISOM_DATA_MAP_WRITE, & mov->editFileMap);
if (e) {
gf_isom_set_last_error(NULL, e);
gf_isom_delete_movie(mov);
return NULL;
}
//brand is set to ISOM by default
gf_isom_set_brand_info( (GF_ISOFile *) mov, GF_ISOM_BRAND_ISOM, 1);
}
//create an MDAT
mov->mdat = (GF_MediaDataBox *) mdat_New();
gf_list_add(mov->TopBoxes, mov->mdat);
//default behaviour is capture mode, no interleaving (eg, no rewrite of mdat)
mov->storageMode = GF_ISOM_STORE_FLAT;
return mov;
err_exit:
gf_isom_set_last_error(NULL, e);
if (mov) gf_isom_delete_movie(mov);
return NULL;
}
GF_Err gf_isom_add_meta_item_extended(GF_ISOFile *file, Bool root_meta, u32 track_num, Bool self_reference, char *resource_path,
const char *item_name, u32 item_id, const char *mime_type, const char *content_encoding,
GF_ImageItemProperties *image_props,
const char *URL, const char *URN,
char *data, u32 data_len)
{
GF_Err e;
GF_ItemLocationEntry *location_entry;
GF_ItemInfoEntryBox *infe;
GF_MetaBox *meta;
u32 lastItemID = 0;
if (!self_reference && !item_name && !resource_path) return GF_BAD_PARAM;
e = CanAccessMovie(file, GF_ISOM_OPEN_WRITE);
if (e) return e;
meta = gf_isom_get_meta(file, root_meta, track_num);
if (!meta) {
GF_LOG(GF_LOG_ERROR, GF_LOG_CONTAINER, ("Trying to add item, but missing meta box"));
return GF_BAD_PARAM;
}
e = FlushCaptureMode(file);
if (e) return e;
/*check file exists */
if (!URN && !URL && !self_reference && !data) {
FILE *src = gf_fopen(resource_path, "rb");
if (!src) return GF_URL_ERROR;
gf_fclose(src);
}
if (meta->item_infos) {
u32 i;
u32 item_count = gf_list_count(meta->item_infos->item_infos);
for (i = 0; i < item_count; i++) {
GF_ItemInfoEntryBox *e= (GF_ItemInfoEntryBox *)gf_list_get(meta->item_infos->item_infos, i);
if (e->item_ID > lastItemID) lastItemID = e->item_ID;
if (item_id == e->item_ID) {
GF_LOG(GF_LOG_INFO, GF_LOG_CONTAINER, ("[IsoMedia] Item with id %d already exists, ignoring\n", item_id));
item_id = 0;
}
}
}
infe = (GF_ItemInfoEntryBox *)infe_New();
if (item_id) {
infe->item_ID = item_id;
} else {
infe->item_ID = ++lastItemID;
}
/*get relative name*/
if (item_name) {
infe->item_name = gf_strdup(item_name);
} else if (resource_path) {
if (strrchr(resource_path, GF_PATH_SEPARATOR)) {
infe->item_name = gf_strdup(strrchr(resource_path, GF_PATH_SEPARATOR) + 1);
} else {
infe->item_name = gf_strdup(resource_path);
}
}
if (mime_type) {
infe->content_type = gf_strdup(mime_type);
} else {
infe->content_type = gf_strdup("application/octet-stream");
}
if (content_encoding) infe->content_encoding = gf_strdup(content_encoding);
/*Creation of the ItemLocation */
location_entry = (GF_ItemLocationEntry*)gf_malloc(sizeof(GF_ItemLocationEntry));
if (!location_entry) {
gf_isom_box_del((GF_Box *)infe);
return GF_OUT_OF_MEM;
}
memset(location_entry, 0, sizeof(GF_ItemLocationEntry));
location_entry->extent_entries = gf_list_new();
/*Creates an mdat if it does not exist*/
if (!file->mdat) {
file->mdat = (GF_MediaDataBox *)mdat_New();
gf_list_add(file->TopBoxes, file->mdat);
}
/*Creation an ItemLocation Box if it does not exist*/
if (!meta->item_locations) meta->item_locations = (GF_ItemLocationBox *)iloc_New();
gf_list_add(meta->item_locations->location_entries, location_entry);
location_entry->item_ID = infe->item_ID;
if (!meta->item_infos) meta->item_infos = (GF_ItemInfoBox *) iinf_New();
e = gf_list_add(meta->item_infos->item_infos, infe);
if (e) return e;
if (image_props) {
meta_process_image_properties(meta, infe->item_ID, image_props);
}
/*0: the current file*/
location_entry->data_reference_index = 0;
if (self_reference) {
GF_ItemExtentEntry *entry;
GF_SAFEALLOC(entry, GF_ItemExtentEntry);
gf_list_add(location_entry->extent_entries, entry);
if (!infe->item_name) infe->item_name = gf_strdup("");
return GF_OK;
}
/*file not copied, just referenced*/
if (URL || URN) {
u32 dataRefIndex;
if (!meta->file_locations) meta->file_locations = (GF_DataInformationBox *) gf_isom_box_new(GF_ISOM_BOX_TYPE_DINF);
if (!meta->file_locations->dref) meta->file_locations->dref = (GF_DataReferenceBox *) gf_isom_box_new(GF_ISOM_BOX_TYPE_DREF);
e = Media_FindDataRef(meta->file_locations->dref, (char *) URL, (char *) URN, &dataRefIndex);
if (e) return e;
if (!dataRefIndex) {
e = Media_CreateDataRef(meta->file_locations->dref, (char *) URL, (char *) URN, &dataRefIndex);
if (e) return e;
}
location_entry->data_reference_index = dataRefIndex;
}
/*capture mode, write to disk*/
if ((file->openMode == GF_ISOM_OPEN_WRITE) && !location_entry->data_reference_index) {
FILE *src;
GF_ItemExtentEntry *entry;
GF_SAFEALLOC(entry, GF_ItemExtentEntry);
location_entry->base_offset = gf_bs_get_position(file->editFileMap->bs);
/*update base offset size*/
if (location_entry->base_offset>0xFFFFFFFF) meta->item_locations->base_offset_size = 8;
else if (location_entry->base_offset && !meta->item_locations->base_offset_size) meta->item_locations->base_offset_size = 4;
entry->extent_length = 0;
entry->extent_offset = 0;
gf_list_add(location_entry->extent_entries, entry);
if (data) {
gf_bs_write_data(file->editFileMap->bs, data, data_len);
/*update length size*/
if (entry->extent_length>0xFFFFFFFF) meta->item_locations->length_size = 8;
else if (entry->extent_length && !meta->item_locations->length_size) meta->item_locations->length_size = 4;
} else if (resource_path) {
src = gf_fopen(resource_path, "rb");
if (src) {
char cache_data[4096];
u64 remain;
gf_fseek(src, 0, SEEK_END);
entry->extent_length = gf_ftell(src);
gf_fseek(src, 0, SEEK_SET);
remain = entry->extent_length;
while (remain) {
u32 size_cache = (remain>4096) ? 4096 : (u32) remain;
size_t read = fread(cache_data, 1, size_cache, src);
if (read==(size_t)-1) break;
gf_bs_write_data(file->editFileMap->bs, cache_data, (u32) read);
remain -= (u32) read;
}
gf_fclose(src);
/*update length size*/
if (entry->extent_length>0xFFFFFFFF) meta->item_locations->length_size = 8;
else if (entry->extent_length && !meta->item_locations->length_size) meta->item_locations->length_size = 4;
}
}
}
/*store full path for info*/
else if (!location_entry->data_reference_index) {
if (data) {
infe->full_path = (char *)gf_malloc(sizeof(char) * data_len);
memcpy(infe->full_path, data, sizeof(char) * data_len);
infe->data_len = data_len;
} else {
infe->full_path = gf_strdup(resource_path);
infe->data_len = 0;
}
}
return GF_OK;
}
